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Title:
BOX-SHAPED SOUNDPROOF STRUCTURE AND TRANSPORTATION UNIT
Document Type and Number:
WIPO Patent Application WO/2019/074061
Kind Code:
A1
Abstract:
The present invention provides a box-shaped soundproof structure that is compact, lightweight, and capable of sufficiently reducing noise having a frequency specific to a sound source. The box-shaped soundproof structure includes a box body that is open at least in part thereof and a muffler structure including a resonator disposed inside the box body. The muffler structure reduces sound generated by a sound source disposed in contact with the outer wall of the box body or inside the box body and released to the outside via the open face of the box body.

Inventors:
HAKUTA Shinya (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
YAMAZOE Shogo (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
Application Number:
JP2018/037935
Publication Date:
April 18, 2019
Filing Date:
October 11, 2018
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
G10K11/16; G10K11/172
Domestic Patent References:
WO2016208580A12016-12-29
Foreign References:
JP2010052632A2010-03-11
JP2004264372A2004-09-24
JPH08241084A1996-09-17
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (XYMAX Iwamoto-cho Building 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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